Questions

The Alaknanda is a Himalayan river in the Indian state of Uttarakhand and one of the two headstreams of the Ganga. Badrinath is situated on the bank of river Alaknanda.

The biogenetic law states that ontogeny (study of development) repeats phylogeny (origin from previous group of racial history), The young one of the frog namely the tadpole is like a fish cosidered to be ancestral to frog.

The earth's atmosphere is composed of 4 layers. 

1. Troposphere

2. Stratosphere

3. Ionosphere

4. Mesosphere

The ozone layer is located in the lower region of the Stratosphere which extends at 11 - 50 kms from the Earth's suface.

The Van Vihar National Park is located in Bhopal, the capital city of Madhya Pradesh. It covers an area of about 4.45 sq.km and is home to Bengal Tiger, Asiatic Lions, wild cats, Indian Wolf, Sloth Bear, Red Fox, Indian Jackal, Wild Dog, Mongoose, Striped Hyena, Mugger Crocodile, Gharial, Snakes, Python, etc.

The slogan of the Pradhan Mantri Jan Dhan Yojana (PMJY) introduced by PM Narendra Modi is Mera Khata Bhagya Vidhata.

Entity is a real world object

We know that, in solids all the particles are packed together and hence sound can travel from one to one very fast.

Hence, speed of sound is maximum in solids and decreses from solids to liquids and liquids to gases. Sound can't travel through vaccum.